Smart home tech on show in Berlin
2 September 2016 Last updated at 09:13 BST
The "smart home" filled with internet-connected gadgets has been promised for many years, but has so far failed to go mainstream.
At this year's IFA consumer tech show in Berlin, the industry's biggest names are pressing ahead with the idea, convinced its time has come.
The BBC's Rory Cellan-Jones went hands-on with some of the latest smart home gadgets on display in Germany.